Klaus Scholz Phones & Addresses
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425 White Swan Ct, Simi Valley, CA 93065 (805) 527-5740
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Van Nuys, CA
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Renton, WA
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Chula Vista, CA
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425 White Swan Ct, Simi Valley, CA 93065 (805) 701-6337
Work
Position:
Retired
Education
Degree:
Graduate or professional degree
Emails
k***z@hotmail.com
Publications
Isbn (Books And Publications)
Chronik Des Preussenlandes
View page
Author
Klaus Scholz
ISBN #
3534006046
Us Patents
Positioning And Control System For Fan Thrust Reverser Cowls In A Turbofan Engine
View pageUS Patent:
43914098, Jul 5, 1983
Filed:
Sep 30, 1980
Appl. No.:
6/192247
Inventors:
Klaus H. Scholz - Renton WA
Assignee:
The Boeing Company - Seattle WA
International Classification:
F02K 160
US Classification:
23926529
Abstract:
A positioning and control system for fan thrust reverser cowls in a high bypass turbofan jet engine includes independent hydraulic actuator assemblies for selectively moving the cowls between a forward stowed position and a rearward deployed position. Hydraulic fluid is metered to the actuator assembly through matched, two-way, pressure compensated flow regulator valves associated respectively with each actuator assembly. The flow regulator valves are preferably interposed in the hydraulic lines of the rod end of the actuators so as to regulate the rate of translation of the thrust reverser cowls during both deployment and retraction. The use of matched flow regulator valves in parallel results in synchronous translation as well as substantially identical full stroke displacements of the reverser cowls during both deployment and retraction. Additionally, the use of matched flow regulator valves in parallel permits independent actuation of the thrust reverser cowl with lighter and more efficient actuator assemblies.